Biology Forum › Cell Biology › Enzymes

last updated by Morris 18 years, 5 months ago
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    • November 9, 2005 at 7:35 pm #2442
      chen.lie
      Participant

      Does anybody know what the SH-group of an enzyme is?
      Regards;

    • November 9, 2005 at 10:40 pm #32474
      Fried Zygote Sandwich
      Participant

      Sulfhydryl. I think it’s an inhibitor site…

    • November 10, 2005 at 11:56 am #32487
      chen.lie
      Participant

      is it in the active site? does t mean that if sometinh affect this group, the enzyme won’t be able to do its job?

    • November 10, 2005 at 4:51 pm #32490
      canalon
      Participant

      -SH groups come from Cystein in the protein. They can probably be involved in some active sites, but this is not a rule. However disulfide between 2 cysteines are often important for protein structural stability

    • November 10, 2005 at 9:44 pm #32510
      Morris
      Participant

      In a protein, an AA with SH in the end of lateral chain (if I ‘m not wrong is metionine) can make S-S bonds.

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